:root{--bg:#f6f7f9;--card:#fff;--text:#1f2329;--muted:#6b7280;--line:#e5e7eb;--dark:#111827;--soft:#f2f4f7;--hot:#e5484d}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}
a{text-decoration:none;color:inherit}.wrap{max-width:1120px;margin:auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
.nav{height:66px;display:flex;align-items:center;justify-content:space-between}.brand{font-size:22px;font-weight:800}.navlinks{display:flex;gap:22px;font-size:14px;color:#4b5563}
.hero{padding:58px 0 34px}.kicker{font-size:13px;color:#7b818a;margin-bottom:10px}.hero h1{font-size:42px;line-height:1.18;margin:0 0 14px;max-width:900px}.hero p{font-size:18px;color:#5f6670;max-width:820px}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.main{grid-column:span 8}.side{grid-column:span 4}
.card,.mini,.article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.badge{display:inline-block;background:var(--dark);color:#fff;padding:4px 9px;border-radius:999px;font-size:12px}.badge.hot{background:var(--hot)}
h2{line-height:1.35}.product h2{font-size:30px;margin:12px 0 8px}.meta,.muted{color:var(--muted);font-size:14px}.price{font-size:26px;font-weight:800;margin:14px 0 4px}.note{color:#7b818a;font-size:13px}
.btn{display:inline-block;background:var(--dark);color:#fff;padding:12px 18px;border-radius:10px;font-weight:700}.btn.secondary{background:#fff;color:var(--dark);border:1px solid var(--line)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.stat{background:var(--soft);border-radius:10px;padding:12px}.stat b{display:block;font-size:17px}
.section{padding:28px 0 8px}.section h2{font-size:27px;margin:0 0 14px}.list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.mini h3{margin:8px 0;font-size:18px}.mini p{margin-bottom:0}
.article{max-width:840px;margin:36px auto;padding:36px}.article h1{font-size:35px;line-height:1.25}.article h2{margin-top:32px}.callout{background:#f8fafc;border-left:4px solid var(--dark);padding:16px 18px;border-radius:8px;margin:20px 0}
.rankbox{background:#fff7ed;border:1px solid #fed7aa;padding:16px;border-radius:12px;margin:18px 0}
footer{padding:42px 0;color:#7b818a;font-size:13px}
@media(max-width:800px){.main,.side{grid-column:span 12}.list,.stats{grid-template-columns:1fr}.hero h1{font-size:32px}.navlinks{display:none}.article{margin:18px 12px;padding:22px}.article h1{font-size:28px}}

.product-card{display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;margin:0 0 22px;box-shadow:0 2px 10px rgba(17,24,39,.04)}
.product-card.compact{margin:22px 0}
.pc-media{width:150px;height:120px;border-radius:12px;overflow:hidden;background:#f3f4f6;display:flex;align-items:center;justify-content:center}
.pc-img{width:100%;height:100%;object-fit:cover}.pc-placeholder{font-size:30px;font-weight:800;color:#9ca3af}
.pc-platform{font-size:12px;color:#6b7280;margin-bottom:3px}.pc-title{font-size:19px;font-weight:800;line-height:1.4}.pc-meta{font-size:13px;color:#6b7280;margin-top:3px}.pc-price{font-size:24px;font-weight:800;margin-top:8px}.pc-note{font-size:12px;color:#7b818a;margin-top:2px}.pc-hot{font-size:12px;color:#6b7280;margin-top:6px}
.pc-action{align-self:center}.buy-btn{display:inline-block;background:#ff5a36;color:#fff;padding:12px 16px;border-radius:10px;font-weight:800;white-space:nowrap}.buy-btn:hover{opacity:.9}
@media(max-width:800px){.product-card{grid-template-columns:88px 1fr}.pc-media{width:88px;height:88px}.pc-action{grid-column:1/-1}.buy-btn{width:100%;text-align:center}.pc-title{font-size:17px}.pc-price{font-size:21px}}